Power clock of small diameter



Nov. 23, 1937. T. v. MOORE ET AL POWER CLOCK OF SMALL DIAMETER FiledNov. 20, 1934 Patented Nov. 23, 1937 2,099,821

UNITED STATES- PATENT OFFICE 2,099,821 POWER CLOCK OF SMALL DIAMETERThomas V. Moore, La Porte, and Winfield C. Landry, Houston, Tex.,assignors to Standard Oil Development Company, a corporation of DelawareApplication November 20, 1934, Serial No. 753,814 2 Claims. (01. 185-40)This invention relates to improvements in a supported by the side wallsof the housing I. power clock such as is used to turn the chart in Theshaft 19 carries a gear 20 which meshes an instrument with a gear 2!mounted upon a shaft 23 which In some instruments, especially those usedto extends perpendicularly to the longitudinal axis of Obtain da a W t awel a clock is used to turn the housing I. The shaft 23 carries a gear24 5 the chart upon which the data is recorded. In which meshes with agear 25 mounted upon a the ordinary type of clock, the arrangement ofshaft 26. The shaft 26 extends perpendicularly h mechanism is Such thata large case i eto the longitudinal axis of the housing and carqui ed tous a c o w th su fic e t powe ries a gear 21 which meshes with a gear 30tum the mounted upon a shaft 3|. The shaft 3| extends 10 It is an objectof this invention to construct perpendicularly to the longitudinal a ofthe a clock which can be fitted into a relatively housing I. The shaft3| is provided with a bevel Small case in Order that the instrument Wgear 32 which with a bevel gear 33 carried by the which the clock isused may b run in wells drive shaft 3. The shafts l3, I9, 26 and 3| areequipped with small tubing. all disposed in alignment along thelongitudinal 15 It is a further object of this invention to so axis ofthe housing I. improve the mechanism of such a clock as to 611- By meansof the bevel gears 32 and 33, the

able it to be constructed of relatively small drive shaft 3 is connectedto the first shaft 3| ameter without sacrificing the power of the clockof the train of gears, each shaft of which is peror the ruggedness ofits construction. endicular to the longitudinal axis of the in- 20 Otherobjects willbeapparent from the speciflstrument, all of the shafts beingin alignment cation and from the accompanying w n i longitudinally ofthe housing I. As a result of which latterthis construction, the entireclock mechanism Fig. 1 is a longitudinal sectional view showing can bplaced in a housing of relatively small a preferred form of apparatusfor carrying out di t Th housing is of relatively great 25 theinvention; length. The relatively small diameter of the 2 islongitudinal sectional View taken housing I is obtained withoutsacrificing the at right angles to the showing in Fig. 1, and power fthe clock or t ruggedness of its c n- Fig. 3 is a transverse sectionalview taken along summon the line III-m 0f Various changes may be madewithin the 0 Referring particularly to the drawing scope of the appendedclaims in which it is deerence numeral designates a musing the sired toclaim all novelty inherent in the invenclock device. The housing I is anelongated n as broadly as the prior art perm tscylinder of greaterlength than the previously w claim; used clock housings. The housing Iencloses A clock-work mechanism for use in deep 35 clock mechanism fordriving a drive shaft 3 at a 1 instruments includin a housing 'Fpredetermined rate of speed. The drive shaft tatably a, driving shaft, amain sprin m the 3 has driving connection with an article to be housingsecured to the shaft coiled in a plane driven in rotation such as acylindrical supportndicular to the longitudinal axis of the 40 ing drum5 for the chart 6 of a recording inh ing, a train of gears and pinionsof varying 40 strument. The shaft 3 is driven in rotation by sizes andan escapement operatively connected means of a main spring 8 which issecured to with the shaft, the shafts of the train of gears the driveshaft 3 and is coiled in a plane perpena d escapement being disposedperpendicularly to dicular to the longitudinal axis of the housing I. thlongitudinal axis of the'housing and in a The main spring 8 is disposedin an end wall 9 plane of the longitudinal axis of the housing, a 4o ofthe housing balance wheel, and a pallet fork op y The speed of rotationof the drive shaft 3 is connected to the escapement and balance wheel,controlled through the following arrangement the balance wheel and forkbeing mounted for of parts: A balance wheel I2 is mounted foroscillation on shafts parallel with the gear shafts rotation upon ashaft l3 which extends perpenwhereby the internal diameter of thehousing can 50 dicularly to the longitudinal axis of the housing I be ofa size only sufficiently larger than the diand is supported by the sidewalls of the housing ameter of the largest gear to permit of rotation l.The balance wheel [2 is operatively connected of the train of gears. toan escapement stop rod l5. The escapement 2. A clock-work mechanism,according to the 1 stop rod is operatively connected with anescapepreceding cl im, in whlch all of the gears are 55 ment wheel l8which is mounted for rotation of substantially the same size. upon ashaft l9 which extends perpendicularly to THOMAS MOOR the longitudinalaxis of the housing I and is WIN-F E C. LANDRY-

